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Urban drainage pipe network monitoring point layout method and system based on spatial data model

A drainage pipe network and spatial data technology, applied in data processing applications, instruments, calculations, etc., can solve problems such as optimization and layout of urban drainage pipe network monitoring points, and achieve objective calculation methods, less subjective factors, and large monitoring range Effect

Pending Publication Date: 2020-05-19
SHANGHAI GISINFO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method and system for laying out urban drainage network monitoring points based on a spatial data model in order to overcome the above-mentioned defects in the prior art. Layout problems can quickly generate the location of monitoring points for urban drainage pipe networks, improve the efficiency of monitoring points, and reduce labor costs

Method used

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  • Urban drainage pipe network monitoring point layout method and system based on spatial data model
  • Urban drainage pipe network monitoring point layout method and system based on spatial data model
  • Urban drainage pipe network monitoring point layout method and system based on spatial data model

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Experimental program
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Effect test

Embodiment 1

[0038] A method for laying out monitoring points of urban drainage network based on spatial data model, such as figure 1 ,include:

[0039] S1: Construct a vector urban drainage pipe network data space model, determine the number N of main pipe network nodes, branch end nodes, and monitoring points, and the optimal tolerance coefficient X. The optimal tolerance coefficient X described above is set according to experience;

[0040] S2: Obtain the total amount of upstream branch terminal nodes endCount of each main pipe network node and the total amount of terminal nodes sum(endCount) in the model, and calculate the monitoring quantity perJcdCount of each monitoring point. The calculation formula is:

[0041]

[0042] S3: Traverse each main pipe network node in ascending order of the number of upstream nodes, and judge whether the main pipe network node satisfies endCount≥perJcdCount, if so, the main pipe network node is selected, otherwise continue to judge Whether it is ...

Embodiment 2

[0045] The calculation process of the optimal tolerance coefficient X in this embodiment is:

[0046] Enumerate alternative tolerance coefficients X between 0 and 1 i , the enumeration scope is as follows:

[0047]

[0048] Each alternative tolerance factor X i Substituting into steps S1-S3 in the first embodiment, when the number of monitoring points finally selected in step S3 is equal to N or the closest to N, the corresponding X i Most reasonably, as the final X, the calculated X is substituted into steps S1-S3 in the first embodiment to select monitoring points.

[0049] All the other are the same as the first embodiment.

Embodiment 3

[0051] This embodiment proposes a spatial data model-based urban drainage pipe network monitoring point layout system corresponding to Embodiment 1, including:

[0052] Model construction module, used to construct vector urban drainage pipe network data space model;

[0053] The model analysis module is used to analyze the vector urban drainage pipe network data space model and determine the distribution number N and the optimal tolerance coefficient X of the main pipe network nodes, branch terminal nodes and monitoring points;

[0054] The monitoring design module is used to arrange monitoring points on the vector urban drainage pipe network data space model, and the specific process is as follows:

[0055] Traverse the main pipe network nodes in ascending order of the number of upstream nodes, obtain the total number of upstream branch end nodes endCount of each main pipe network node and the total amount of upstream end nodes sum(endCount) in the model, and calculate the su...

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Abstract

The invention relates to an urban drainage network monitoring point layout method based on a spatial data model, and the method comprises the steps: S1, constructing a vector urban drainage network data spatial model, and determining a trunk pipe network node, a branch end node, the number N of monitoring points, and an optimal tolerance coefficient X; S2, obtaining the total amount endCount of upstream branch end nodes of each main pipe network node and the total amount sum (endCount) of end nodes in the model, and calculating the monitoring number perJcdCount of each monitoring point; S3, judging whether each main pipe network node meets the condition that endCout is greater than or equal to perJcdCount or not along the upstream; wherein if yes, the trunk pipe network nodes are selected,otherwise, whether the trunk pipe network nodes are established or not is judged, if not, the trunk pipe network nodes are selected, otherwise, the trunk pipe network nodes are not selected, the selected trunk pipe network nodes generate monitoring points, and allCount is the number of upstream branch end nodes of the unselected trunk pipe network nodes in the upstream of the trunk pipe network nodes. Compared with the prior art, the method has the advantages of high objectivity, cost saving and the like.

Description

technical field [0001] The invention relates to the technical field of drainage pipe network, in particular to a method and system for laying out monitoring points of an urban drainage pipe network based on a spatial data model. Background technique [0002] The drainage pipe network is an important infrastructure to ensure the normal operation of the city. Strengthening the monitoring of the drainage pipe network is of great significance to the protection of drainage facilities and the improvement of urban drainage information management. To carry out monitoring of drainage pipe network, on the one hand, grasp the sewage discharge situation of urban sewage pipe network in time, discover hidden dangers of water pollution, improve the ability of forecasting and early warning of urban water pollution, and protect the ecological environment of water resources; on the other hand, monitor the rainwater pipe network and grasp the discharge capacity of rainwater pipes , to evaluate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/06
CPCG06Q50/06
Inventor 袁晨王维清董庆涛丁石岳德维刘秀君
Owner SHANGHAI GISINFO TECH CO LTD
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